Boat ladder



FIG. 1 is a perspective view of the boat ladder design of thisinvention;

FIG. 2 is a front view;

FIG. 3 is a side view, the opposite side view being the same butreversed;

FIG. 4 is a rear view;

FIG. 5 is a top view; and

FIG. 6 is a bottom view.

The ornamental design for a boat ladder, as shown and described.